Fall ACP Review 24-25 (Part 3 of 3)

Front

What are homologous structures?

Back

Homologous structures are body parts in different species that are structurally similar due to shared ancestry, but may serve different functions.

Front

Which moth will be more successful in a soot-covered environment?

Back

The dark moth will be more successful in a soot-covered environment because it is better camouflaged against predators.

Front

How can muscle cells and nerve cells have the same DNA but different functions?

Back

The proteins expressed in each cell are different, leading to different functions despite having the same DNA.

Front

What does it mean when an operon is 'on'?

Back

An operon is 'on' when it is actively producing proteins, such as when lactose is present and lactase needs to be made.

Front

How is evolution defined?

Back

Evolution is defined as the gradual change of a species over a long period of time.

Front

What is the role of lactase in the body?

Back

Lactase is an enzyme that breaks down lactose, the sugar found in milk.

Front

What is natural selection?

Back

Natural selection is the process by which organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is the difference between homologous and analogous structures?

Back

Homologous structures share a common ancestry but may serve different functions, while analogous structures serve similar functions but do not share a common ancestry.

Front

What is genetic variation?

Back

Genetic variation refers to the differences in DNA sequences among individuals within a population.

Front

What is the significance of mutations in evolution?

Back

Mutations introduce new genetic variations, which can lead to evolutionary changes if they provide a survival advantage.